How long is the flight from Philadelphia to Houston?

A quick flight from Philadelphia to Houston can take about 3h 55m. United Airlines provides one of the quickest options available for as low as $219. The distance from Philadelphia to Houston is about 1322 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Philadelphia to Houston round-trip?

Flying on Spirit Airlines is currently your cheapest option to Houston, with prices starting at $86. Additional round-trip tickets that might be worth considering are offered by Frontier and Southwest, with the lowest prices starting at $109 and $171, respectively. These flights start at 73% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Philadelphia to Houston one-way?

For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $56. Users have also found prices from $64 and $95 on Frontier and Southwest, respectively.

How far ahead should I book a flight from Philadelphia to Houston?

The best time to book flights from Philadelphia to Houston is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Philadelphia to Houston?

Currently, October is the cheapest month in which you can book a flight from Philadelphia to Houston (average of $65). Flying from Philadelphia to Houston in December is currently the most expensive (average of $130). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Philadelphia to Houston?

Travelers seeking maximum savings on their Philadelphia to Houston flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Houston ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston when rainfall is around 3.2 in.

If weather is an important factor for your trip to Houston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

What are the most popular airlines that fly from Philadelphia to Houston?

The most popular airlines flying from Philadelphia to Houston are United Airlines, American Airlines and Spirit Airlines. Something to consider prior to booking your flight.

What is the cheapest time of day to fly from PHL to HOU?

One of the essential ways to save on airfare from Philadelphia to Houston is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 38% on airfare.

What airport do you fly from for flights from Philadelphia to Houston?

Philadelphia (PHL), located 7.0 mi from the city center, is the airport you fly out of when you book flights from Philadelphia to Houston. 6 airlines have flights from Philadelphia to Houston on a regular basis. Booking flights from Philadelphia to Houston should not be difficult; the airport handles an average of 0 outbound flights to Houston per day.

Can I find deals for flights from Philadelphia to Houston that include hotel bookings?

Yes. In addition to deals on Philadelphia to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Philadelphia to Houston?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Houston.

Can I find deals for business class flights from Philadelphia to Houston?

Yes. Cheapflights offers flight deals from Philadelphia to Houston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$104+ Flights from Philadelphia to Houston

Round-trip from	$202 (Mytrip)
One-way from	$104 (Expedia)
Popular in	April
Cheapest in	September
Average price	$314

Spirit's Big Front Seats offer 11 inches more legroom, ideal for added comfort.

Spirit's self-service bag drop saves time at the airport, enhancing efficiency.

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$86	Average$187	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$109	Average$209	FlexibilityNo cancel fee	On-time62%
Southwest	Cheapest$171	Average$310	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$213	Average$411	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$219	Average$376	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$236	Average$309	FlexibilityNo cancel fee	On-timeN/A

$104+ Cheap flights from Philadelphia (PHL) to Houston

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/30. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest flights from Philadelphia to HoustonExplore the most affordable flight options available from Philadelphia to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.

Explore the most affordable flight options available from Philadelphia to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.

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Best time to book a flight from Philadelphia to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Philadelphia with our price prediction graph.

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Everything you need to know about your flight from Philadelphia to Houston

How far ahead should I book a flight from Philadelphia to Houston?

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Houston. Price data was last updated on January 9, 2026.

What is the cheapest month to book a flight from Philadelphia to Houston?

What is the cheapest time of day to fly from PHL to HOU?

Find hourly flight availability from Philadelphia to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 15, 2026.

What is the cheapest day to fly from Philadelphia to Houston?

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Houston. Price data was last updated on October 5, 2025.

The best insider tips for Philadelphia to Houston flights

AI-powered summary based on content written by travel experts. AI can make mistakes.

Cheapflights partnered with top experts to bring you the best recommendations for your Philadelphia to Houston trip

Airlines

United Airlines

Spirit Airlines

Airports

PHL

IAH

Our travel experts

Reviews of airlines servicing Houston

Peruse reviews from past customers who have flown with Southwest, United Airlines, and American Airlines from Philadelphia to Houston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Philadelphia to Houston?

How long is the flight from Philadelphia to Houston?

What are the cheapest airlines flying from Philadelphia to Houston round-trip?

What are the cheapest airlines to fly from Philadelphia to Houston one-way?

Can I find deals for flights from Philadelphia to Houston that include hotel bookings?

How can I find direct flights from Philadelphia to Houston?

Can I find deals for business class flights from Philadelphia to Houston?

What is the cheapest month to book a flight from Philadelphia to Houston?

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Top 6 airlines flying from Philadelphia to Houston

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Cheapest flights from Philadelphia to Houston
Explore the most affordable flight options available from Philadelphia to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.